body {
    padding: 15px;
    background: #333;
}

.img-box {
    width: 650px;
    display: flex;
}

.left {
    width: 400px;
    height: 280px;
    overflow: hidden;
}

.left img {
    width: 100%;
    height: 100%;
}

.right {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview {
    overflow: hidden;
    width: 200px;
    height: 140px;
    margin-bottom: 15px;
    background-color: coral;
}